Class 7 Science Chapter 2 MCQs Questions With Answers NCERT
We have compiled the NCERT MCQ Questions for Class 7 Science Chapter 2 Nutrition in Animals with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Science with Answers on a daily basis and score well in exams. Refer to the Nutrition in Animals Class 7 MCQs Questions with Answers here along with a detailed explanation.
Nutrition in Animals Class 7 MCQ
Choose the correct option.
Question 1.
The false feet of Amoeba are used for
(a) movement only
(b) capturing food only
(c) capturing food and movement
(d) exchange of gases only
Answer
Answer: (c) capturing food and movement
Question 2.
The component of food which is complex is
(a) protein
(b) carbohydrate
(c) fat
(d) all of these
Answer
Answer: (d) all of these
Question 3.
The breakdown of complex components of food into simpler substances is called
(a) ingestion
(b) egestion
(c) assimilation
(d) digestion
Answer
Answer: (d) digestion
Question 4.
The way of taking food by bees is
(a) swallowing
(b) sucking
(c) filtering
(d) none of these
Answer
Answer: (b) sucking
Question 5.
Which of the following animals swallow its prey?
(a) Human beings
(b) Snakes
(c) Humming birds
(d) Ant
Answer
Answer: (b) Snakes
Question 6.
Enzymes present in saliva converts
(a) starch into simple sugars
(b) proteins into amino acids
(c) complex sugars into simple sugars
(d) fats into fatty acids and glycerol
Answer
Answer: (a) starch into simple sugars
Question 7.
From where do we take in food?
(a) Anus
(b) Mouth
(c) Stomach
(d) Oesophagus
Answer
Answer: (b) Mouth
Question 8.
The digestive tract and the associated glands together constitute the
(a) digestive system
(b) oesophagus
(c) alimentary canal
(d) nutrition system
Answer
Answer: (a) digestive system
Question 9.
The teeth of first set fall off at the age between
(a) 10 – 20
(b) 6 – 8
(c) 9 – 1
(d) 0 – 2
Answer
Answer: (b) 6 – 8
Question 10.
The teeth of the first set that grew during infancy are called
(a) permanent teeth
(b) milk teeth
(c) starting teeth
(d) all of these
Answer
Answer: (b) milk teeth
Question 11.
The teeth of the second set that replace the milk teeth are known as
(a) permanent teeth
(b) temporary teeth
(c) milk teeth
(d) hard teeth
Answer
Answer: (a) permanent teeth
Question 12.
The process of taking food in the body is known as
(a) egestion
(b) ingestion
(c) digestion
(d) assimilation
Answer
Answer: (b) ingestion
Question 13.
How many types of teeth are there?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (d) 4
Question 14.
The glands of mouth which secrete saliva are
(a) salivary glands
(b) pancreas
(c) lungs
(d) liver
Answer
Answer: (a) salivary glands
Question 15.
Starch is broken down into sugars by the action of
(a) saliva
(b) bile juice
(c) hydrochloric acid
(d) all of these
Answer
Answer: (a) saliva
Question 16.
Which gland secretes bile juice?
(a) Liver
(b) Pancreas
(c) Bladder
(d) All of these
Answer
Answer: (a) Liver
Question 17.
The bile plays an important role in the digestion of
(a) carbohydrates
(b) fats
(c) sugar
(d) starch
Answer
Answer: (b) fats
Question 18.
The removal of faeces through the anus from time to time is called
(a) rumination
(b) micturition
(c) ingestion
(d) egestion
Answer
Answer: (d) egestion
Question 19.
Cellulose is a type of
(a) fats
(b) carbon dioxide
(c) carbohydrate
(d) all of these
Answer
Answer: (c) carbohydrate
Question 20.
The finger-like outgrowths of human intestine helps to
(a) make the food soluble
(b) absorb the digested food
(c) absorb the undigested food
(d) digest the fatty food substances
Answer
Answer: (b) absorb the digested food
Question 21.
The process through which undigested food is expelled out of the body is called
(a) digestion
(b) absorption
(c) assimilation
(d) egestion
Answer
Answer: (d) egestion
Question 22.
Many animals, including humans, cannot digest
(a) amino acid
(b) bile juice
(c) cellulose
(d) proteins
Answer
Answer: (c) cellulose
Question 23.
Which of the following is the term used for the partially digested food in the rumen of animals?
(a) Cud
(b) Food
(c) Juice
(d) Liquid
Answer
Answer: (a) Cud
Question 24.
Which of the following are called the cutting teeth?
(a) Incisors
(b) Canines
(c) Molars
(d) Premolars
Answer
Answer: (a) Incisors
Question 25.
The process by which organisms take in food is called
(a) digestion
(b) assimilation
(c) ingestion
(d) egestion
Answer
Answer: (c) ingestion
Question 26.
The digestive food is absorbed in
(a) large intestine
(b) stomach
(c) liver
(d) small intestine
Answer
Answer: (d) small intestine
Question 27.
The mode of nutrition in amoeba is
(a) saprotrophic
(b) autotrophic
(c) holozoic
(d) symbiotic
Answer
Answer: (c) holozoic
Question 28.
Salivary glands are located in
(a) mouth
(b) liver
(c) stomach
(d) large intestine
Answer
Answer: (a) mouth
Question 29.
What is the function of the tongue?
(a) Digest the food
(b) Converted food into semi-solid paste
(c) Mix the food with saliva and swallow it
(d) Pass out the undigested waste material
Answer
Answer: (c) Mix the food with saliva and swallow it
Question 30.
What is the function of premolars?
(a) Biting
(b) Grinding
(c) Tearing
(d) Cutting
Answer
Answer: (b) Grinding
Question 31.
Oesophagus is connected with
(a) stomach
(b) intestine
(c) liver
(d) rectum
Answer
Answer: (a) stomach
Question 32.
Rumination can
(a) digest the cellulose
(b) not digest the cellulose
(c) may or may not digest cellulose
(d) all of these
Answer
Answer: (a) digest the cellulose
Question 33.
Saliva is present in
(a) stomach
(b) liver
(c) teeth
(d) mouth
Answer
Answer: (d) mouth
Question 34.
The largest gland in the human body is
(a) liver
(b) pancreas
(c) stomach
(d) oesophagus
Answer
Answer: (a) liver
Question 35.
The process in which the absorbed food is used for producing energy is called
(a) ingestion
(b) absorption
(c) assimilation
(d) digestion
Answer
Answer: (c) assimilation
Fill in the Blanks
Question 1.
The ……………. present in the stomach kills the harmful bacteria that may enter along with the food.
Answer
Answer: acid
Question 2.
Animals get their food from ……………. either directly or indirectly by eating animals that eat plants.
Answer
Answer: plants
Question 3.
All organisms require ……………. for growth, repair and functioning of the body.
Answer
Answer: food
Question 4.
We get hiccups when food particles enter the …………….
Answer
Answer: windpipe
Question 5.
The ……………. of complex components of food into simpler substances is called digestion.
Answer
Answer: break down
Question 6.
Enzyme present in saliva is …………….
Answer
Answer: salivary amylase
Question 7.
The continuous canal which begins at the buccal cavity and ends at the anus is called ……………. or …………….
Answer
Answer: alimentary canal, digestive tract
Question 8.
The gradual damage of teeth due to acid is known as …………….
Answer
Answer: tooth decay
Question 9.
The process of taking the food into the body is called …………….
Answer
Answer: ingestion
Question 10.
The swallowed food passes from buccal cavity to stomach through …………….
Answer
Answer: oesophagus
Question 11.
……………. is the widest part of the alimentary canal.
Answer
Answer: Stomach
Question 12.
The lining of the stomach is protected by the …………….
Answer
Answer: mucous
Question 13.
The inner lining of the stomach secretes ……………. , ……………. and …………….
Answer
Answer: mucous, hydrochloric acid, digestive juices
Question 14.
The digestive juices from stomach break down the ……………. into simpler substances.
Answer
Answer: proteins
Question 15.
The length of the small intestine is about ……………. metres.
Answer
Answer: 7.5
Question 16.
The largest gland of the human body is …………….
Answer
Answer: liver
Question 17.
Liver secretes ……………. juice.
Answer
Answer: bile
Question 18.
The bile juice is stored in a sac called …………….
Answer
Answer: gall bladder
Question 19.
Digestion of fats start in …………….
Answer
Answer: small intestine
Question 20.
……………. helps in tearing the food.
Answer
Answer: Canine
Question 21.
Egestion is the process of of the undigested food through anus.
Answer
Answer: removal
Question 22.
Glucose is the simplest form of
Answer
Answer: Carbohydrate
Question 23.
Saliva is secreted into the mouth by glands.
Answer
Answer: salivary
Question 24.
Digestion is the process of breaking the complex food materials into forms.
Answer
Answer: Simpler
Question 25.
help in cutting and biting the food.
Answer
Answer: Incisors
Question 26.
Partially digested food in the rumen of ruminants is called .
Answer
Answer: Cud
Question 27.
The first set of teeth in humans are called teeth.
Answer
Answer: milk
Question 28.
Digestion of proteins in human alimentary canal first occurs in
Answer
Answer: Stomach
True or False
Question 1.
Diarrhoea is a condition in which one passes watery stool frequently.
Answer
Answer: True
Question 2.
Oesophagus helps in the digestion of food.
Answer
Answer: False
Question 3.
Ingestion is the breakdown of complex components of food into simple substances.
Answer
Answer: False
Question 4.
Sugary products are the major cause of tooth decay.
Answer
Answer: True
Question 5.
Food is taken in through the mouth.
Answer
Answer: True
Question 6.
Alimentary canal begins at the anus and ends at the buccal cavity.
Answer
Answer: False
Question 7.
Dental floss is a special strong thread used to clean teeth.
Answer
Answer: True
Question 8.
Permanent teeth are replaced by milk teeth.
Answer
Answer: False
Question 9.
We chew food with the stomach.
Answer
Answer: False
Question 10.
Permanent teeth are 32 in number.
Answer
Answer: True
Question 11.
Milk teeth are 20 in number.
Answer
Answer: True
Question 12.
The saliva breaks down the starch into amino acids.
Answer
Answer: False
Question 13.
ORS is given during diarrhoea.
Answer
Answer: True
Question 14.
Oesophagus is also known as abdomen.
Answer
Answer: False
Question 15.
The bile juice is stored in a sac called gall bladder.
Answer
Answer: True
Question 16.
Ruminants have five-chambered stomach.
Answer
Answer: False
Question 17.
The inner walls of large intestine have thousands of finger-like projections called villi.
Answer
Answer: False
Question 18.
Grass-eating animals are called herbivores.
Answer
Answer: True
Question 19.
Amoeba is a multicellular organism.
Answer
Answer: False
Question 20.
Amoeba feeds on frog larvae.
Answer
Answer: False
Question 21.
Absorption and assimilation are similar processes.
Answer
Answer: False
Question 22.
Tongue is a muscular organ.
Answer
Answer: True
Question 23.
Hydrochloric acid is secreted in the stomach.
Answer
Answer: True
Question 24.
Digestion is completed in small intestine.
Answer
Answer: True
Question 25.
Ruminants have a three-chambered stomach.
Answer
Answer: False
Question 26.
An adult has 32 teeth in all, 16 in each jaw.
Answer
Answer: True
Question 27.
Tongue gives the sense of smell.
Answer
Answer: False
Match the Following
| Column I | Column II |
| 1. Salivary amylase | (a) Digest protein |
| 2. Gastric juice | (b) Cream-coloured gland |
| 3. Pancreatic juice | (c) Stores many bacteria |
| 4. Bile | (d) Mode of feeding |
| 5. Chewing cud | (e) Kills germ |
| 6. Caecum | (f) Tongue |
| 7. Foodpipe | (g) Emulsifies fat |
| 8. Pancreas | (h) Breaks carbohydrate |
| 9. Taste buds | (i) Oesophagus |
| 10. Siphoning | (j) Ruminants |
Answer
Answer:
| Column I | Column II |
| 1. Salivary amylase | (h) Breaks carbohydrate |
| 2. Gastric juice | (e) Kills germ |
| 3. Pancreatic juice | (a) Digest protein |
| 4. Bile | (g) Emulsifies fat |
| 5. Chewing cud | (j) Ruminants |
| 6. Caecum | (c) Stores many bacteria |
| 7. Foodpipe | (i) Oesophagus |
| 8. Pancreas | (b) Cream-coloured gland |
| 9. Taste buds | (f) Tongue |
| 10. Siphoning | (d) Mode of feeding |
| Column A | Column B |
| 1. Villi | a. Large intestine |
| 2. Hydrochloric acid | b. Liver |
| 3. Bile | c. Mouth |
| 4. Absorption of water | d. Stomach |
| 5. Saliva | e. Small intestine |
Answer
Answer:
| Column A | Column B |
| 1. Villi | e. Small intestine |
| 2. Hydrochloric acid | d. Stomach |
| 3. Bile | b. Liver |
| 4. Absorption of water | a. Large intestine |
| 5. Saliva | c. Mouth |
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